{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,7]],"date-time":"2025-10-07T11:54:06Z","timestamp":1759838046794,"version":"3.40.5"},"reference-count":27,"publisher":"Wiley","license":[{"start":{"date-parts":[[2022,7,13]],"date-time":"2022-07-13T00:00:00Z","timestamp":1657670400000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Liudong Science and Technology Project","award":["20210117","2021AAA0104","2020GAAA0403","AA22068060"],"award-info":[{"award-number":["20210117","2021AAA0104","2020GAAA0403","AA22068060"]}]},{"name":"Liuzhou Science Research and Planning Development Project","award":["20210117","2021AAA0104","2020GAAA0403","AA22068060"],"award-info":[{"award-number":["20210117","2021AAA0104","2020GAAA0403","AA22068060"]}]},{"name":"Innovation-Driven Development Special Fund Project of Guangxi","award":["20210117","2021AAA0104","2020GAAA0403","AA22068060"],"award-info":[{"award-number":["20210117","2021AAA0104","2020GAAA0403","AA22068060"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Sensors"],"published-print":{"date-parts":[[2022,7,13]]},"abstract":"<jats:p>Accidents caused by the failure of high-voltage power battery systems are rising with the increase of pure electric commercial vehicles. The fault tree analysis method based on traditional reliability is no longer suitable for quantitative evaluation of polymorphic systems. In this paper, the polymorphic fuzzy fault tree of the high-voltage power battery system for pure electric commercial vehicles is established and analyzed qualitatively and quantitatively based on a combined theory of the polymorphic theory, fuzzy mathematical theory, group decision theory, and fault tree analysis theory. The results showed that the multistate reliability-analysis method of the fuzzy fault tree could describe the various fault states of the high-voltage power battery system. Through quantitative evaluation of the reliability of system, the low-temperature environment and CAN high and low reverse connection were the weakest links of the system, and the problem of the occurrence probability of each state of the unknown polymorphic bottom event in the sub-fault tree of the deteriorated-state mode was solved quickly using group decision-making to deal with fuzzy probability. It provides theoretical reference for system design and detection process, which has important practical significance for the improvement of high-voltage power battery system.<\/jats:p>","DOI":"10.1155\/2022\/2455345","type":"journal-article","created":{"date-parts":[[2022,7,13]],"date-time":"2022-07-13T23:20:11Z","timestamp":1657754411000},"page":"1-13","source":"Crossref","is-referenced-by-count":4,"title":["Reliability Analysis of the High-Voltage Power Battery System Based on the Polymorphic Fuzzy Fault Tree"],"prefix":"10.1155","volume":"2022","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2440-1904","authenticated-orcid":true,"given":"Haonan","family":"Jiang","sequence":"first","affiliation":[{"name":"School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9244-3962","authenticated-orcid":true,"given":"Changbo","family":"Lin","sequence":"additional","affiliation":[{"name":"Commercial Vehicle Technology Center, Dong Feng Liuzhou Automobile Co., Ltd., Liuzhou 545005, China"}]},{"given":"Gaoshan","family":"Feng","sequence":"additional","affiliation":[{"name":"Commercial Vehicle Technology Center, Dong Feng Liuzhou Automobile Co., Ltd., Liuzhou 545005, China"}]},{"given":"Enyong","family":"Xu","sequence":"additional","affiliation":[{"name":"Commercial Vehicle Technology Center, Dong Feng Liuzhou Automobile Co., Ltd., Liuzhou 545005, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1153-808X","authenticated-orcid":true,"given":"Weiguang","family":"Zheng","sequence":"additional","affiliation":[{"name":"School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China"},{"name":"Commercial Vehicle Technology Center, Dong Feng Liuzhou Automobile Co., Ltd., Liuzhou 545005, China"},{"name":"School of Mechanical and Automotive Engineering, Guangxi University of Science and Technology, Liuzhou 545616, China"}]}],"member":"311","reference":[{"key":"1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ress.2003.11.002"},{"volume-title":"Design reliability: fundamentals and applications","year":"1999","author":"B. 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